There are dozens upon dozens of recipes for seemingly straightforward things like chocolate chip cookies or apple pie, with different ingredients, different measurements, different bake times and temperatures. How do you know which recipe is the one you want to follow? Learn the science and experiment. Epicurious’ 4 Levels video series can help.
In this video, an amateur, a home cook and a professional chef make their own delicious versions of a classic: Brownies. Then we hear from food scientist Rose Trout to find out how their ingredients and baking strategies affect the final product.
Previously: 4 Levels of Spaghetti & Meatballs and chocolate chip cookies. Plus: How to make homemade ice cream three different ways.
Related DIY: The New York Times’ collection of brownie recipes.